Marvin awning crank and cover

A contractor from Hawaii says:
Does this part fit Marvin awning windows?
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Tom from SWISCO responded:

Whether the 39-232 will work for you or not depends more on the operator than the window brand. Marvin has used tons of different operators for their windows, so that doesn't really narrow it down. If you were to show me a photo of the operator then I can confirm for you whether or not this cover is compatible.

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